/**
 * OSAmI: Open Source Ambient Intelligence
 * A simple publish/subscribe/dispatch API (based on multicast communications) for constrained devices.
 * Copyright (C) Lionel Debroux 2006 (as a TER/Magistere M1 student in the LSR-IMAG-ADELE team, for a demo in the H-Omega project)
 * Copyright (C) Lionel Debroux 2010 (as an engineer in the LCIS-INPG-CTSYS team, for a pre-demo in the FR part of the OSAMI project)
 * Contact: osami-general@osami-commons.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
 */

package fr.imag.adele.homega.impl.unicast;

import java.net.InetAddress;

/**
 * This class provides a placeholder for an (address, port) pair, and is used by UnicastHandlerImpl to check if there's
 * a dispatcher thread for this address and port.
 */
public final class TopicInfo implements Comparable {

	private InetAddress address;
	private int port;

	TopicInfo(InetAddress ia, int port) {
		this.address = ia;
		this.port = port;
	}

	public InetAddress getAddress() {
		return address;
	}

	public void setAddress(InetAddress address) {
		this.address = address;
	}

	public int getPort() {
		return port;
	}

	public void setPort(int port) {
		this.port = port;
	}

	public String toString() {
		return address.toString() + ":" + port;
	}

	public int compareTo(Object o) {
		// Not using "if (o instanceof TopicInfo) {...}" on purpose,
		// to trigger ClassCastException if the object types don't match.
		if (  (((TopicInfo)o).getPort() == this.port)
			&& (((TopicInfo)o).getAddress() == this.address)) {
			return 0;
		}
		else {
			return 1;
		}
	}
}
